/// <summary>///
/// </summary>/// <remarks>/// Indeed the application needs to set its Window identifier at the right time to avoid internal Window creation
/// from the video sink element. To solve this issue a GstMessage is posted on the bus to inform the application
/// that it should set the Window identifier immediately.
///
/// API: http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideooverlay.html/// </remarks>/// /// private void bus_SyncMessage(object o, SyncMessageArgs args)
{
//Convenience function to check if the given message is a "prepare-window-handle" message from a GstVideoOverlay.